this derivation will be built:
  /nix/store/lb6kcv88dd44r83djsnrcckn3hsm8vi3-iets-classic-2.34.9.drv
scheduler at farm.numtide.com:50051: scheduler passive, another node serves, reconnecting
scheduler at farm.numtide.com:50051: scheduler passive, another node serves, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
scheduler at farm.numtide.com:50051: no healthy upstream, reconnecting
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy